CATEGORY B: MOSQUITO BIOLOGY AND CONTROL QUESTIONS | TESTED AND PROVEN ANSWERS | LATEST UPDATE 2024/2025 100% (GRADE A+)

CATEGORY B: MOSQUITO BIOLOGY AND CONTROL
QUESTIONS | TESTED AND PROVEN ANSWERS |
LATEST UPDATE 2024/2025 100% (GRADE A+)
What is the classification of mosquitoes?


Ans>>


Class: Insecta


Order: Diptera


Suborder: Nematocera


Family: -dae


Subfamily: -nae




What are the life stages of mosquitoes?


Ans>>


1. Eggs (single egg, single egg with floats, rafts)


2. Larval stage (4 instar)


3. Pupa (non feeding, breathing trumpets)



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,4. Adult




What types of eggs are laid by Aedes and Psorophora?


Ans>> Single eggs that are desiccation resistant




What types of eggs are laid by Anopheles?


Ans>> Single eggs with floats that are desiccation susceptible




What types of eggs are laid by Culex and Culiseta?


Ans>> Egg rafts that are desiccation susceptible




What are the characteristics of Anopheles larva?


Ans>> No siphon, horizontal to water surface




What are the characteristics of Aedes and Psorophora larva?


Ans>> Short siphon, hang vertically
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, What are the characteristics of Culex and Culiseta larva?


Ans>> Long siphon, hang diagonally




What are the characteristics of adult Anopheles?


Ans>> Palpi as long as proboscis




What are the characteristics of adult Aedes and Psorophora?


Ans>> Palpi shorter than proboscis and pointed abdomen




What are the characteristics of adult Culex and Culiseta?


Ans>> Palpi shorter than proboscis and rounded abdomen




Where are An. freeborni habitats?


Ans>> Rice fields and the largest populations are found in Sac Valley




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